Jack Calder was a Scottish football (soccer)

Football (soccer)

Association football, more commonly known as football or soccer, is a sport played between two teams of eleven players with a spherical ball...

 forward

Striker

Forwards, also known as strikers, are the players on a team in association football who play nearest to the opposing team's goal, and are therefore principally responsible for scoring goals...

 who played seven seasons in the American Soccer League

American Soccer League

The American Soccer League has been a name used by three different professional soccer leagues in the United States. The first American Soccer League was established in 1921 by the merger of teams from the National Association Football League and the Southern New England Soccer League. For...

.

Calder began his career in Scotland. In 1948, he moved to the Kearny Scots

Kearny Scots

The Kearny Scots are an American soccer club based in Kearny, New Jersey. The Scots have played in both the National Association Football League and the second American Soccer League. When not members of those leagues, the Scots competed in lower level city leagues...

 of the American Soccer League

American Soccer League

The American Soccer League has been a name used by three different professional soccer leagues in the United States. The first American Soccer League was established in 1921 by the merger of teams from the National Association Football League and the Southern New England Soccer League. For...

. In 1948, the Scots won the Lewis Cup. He then moved to Newark Portuguese

Newark Portuguese

The Newark Portuguese were an American soccer club based in Newark, New Jersey that was a member of the American Soccer League. The club had been around since 1922 and bought out the Kearny Celtic franchise after the 1950/51 season....

 where he led the league in scoring during the 1953–54 American Soccer League season. In 1955, he played for New York Brookhattan.